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489609120 = 2535711131019
BaseRepresentation
bin11101001011101…
…101011110100000
31021010021201110010
4131023231132200
52000314442440
6120330004520
715063415560
oct3513553640
91233251403
10489609120
1123140a640
12117b76740
137a587650
144904cda0
152ceb4580
hex1d2ed7a0

489609120 has 384 divisors, whose sum is σ = 2072770560. Its totient is φ = 93818880.

The previous prime is 489609103. The next prime is 489609173. The reversal of 489609120 is 21906984.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 479971 + ... + 480989.

It is an arithmetic number, because the mean of its divisors is an integer number (5397840).

Almost surely, 2489609120 is an apocalyptic number.

489609120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 489609120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1036385280).

489609120 is an abundant number, since it is smaller than the sum of its proper divisors (1583161440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

489609120 is a wasteful number, since it uses less digits than its factorization.

489609120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1068 (or 1060 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 489609120 is about 22127.1127804782. The cubic root of 489609120 is about 788.1638282714.

The spelling of 489609120 in words is "four hundred eighty-nine million, six hundred nine thousand, one hundred twenty".